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=== tests/cases/conformance/types/typeRelationships/typeInference/keyofInferenceIntersectsResults.ts ===
interface X {
a: string;
>a : string
b: string;
>b : string
}
declare function foo<T = X>(x: keyof T, y: keyof T): T;
>foo : <T = X>(x: keyof T, y: keyof T) => T
>x : keyof T
>y : keyof T
declare function bar<T>(x: keyof T, y: keyof T): T;
>bar : <T>(x: keyof T, y: keyof T) => T
>x : keyof T
>y : keyof T
const a = foo<X>('a', 'b'); // compiles cleanly
>a : X
>foo<X>('a', 'b') : X
>foo : <T = X>(x: keyof T, y: keyof T) => T
>'a' : "a"
>'b' : "b"
const b = foo('a', 'b'); // also clean
>b : { a: any; } & { b: any; }
>foo('a', 'b') : { a: any; } & { b: any; }
>foo : <T = X>(x: keyof T, y: keyof T) => T
>'a' : "a"
>'b' : "b"
const c = bar('a', 'b'); // still clean
>c : { a: any; } & { b: any; }
>bar('a', 'b') : { a: any; } & { b: any; }
>bar : <T>(x: keyof T, y: keyof T) => T
>'a' : "a"
>'b' : "b"
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